extends GUINode

signal game_session_menu_button_pressed
signal search_button_pressed
signal map_view_camera_changed(near_left : Vector2, far_left : Vector2, far_right : Vector2, near_right : Vector2)
signal zoom_in_button_pressed
signal zoom_out_button_pressed

@export var _mapmodes_grid : GridContainer

var _mapmode_button_group : ButtonGroup

# REQUIREMENTS:
# * UI-550, UI-552, UI-554, UI-561, UI-562, UI-563
func _add_mapmode_button(identifier : String) -> void:
	pass
	#var button := Button.new()
	#button.text = identifier
	#button.tooltip_text = identifier
	#button.toggle_mode = true
	#button.button_group = _mapmode_button_group
	#button.mouse_filter = MOUSE_FILTER_PASS
	#button.focus_mode = FOCUS_NONE
	#_mapmodes_grid.add_child(button)
	#if _mapmode_button_group.get_pressed_button() == null:
	#	button.button_pressed = true

func _ready() -> void:
	add_gui_element("menubar", "menubar")
	
	hide_nodes([
		^"./menubar/messagelog_window", #todo
		^"./menubar/OPENbutton", # not quite sure what this is
		^"./menubar/menubar_plans_toggle", #todo
		^"./menubar/menubar_plans_open", #todo
		^"./menubar/menubar_mail_bg", #todo
		^"./menubar/menubar_msg_diplo", #todo
		^"./menubar/menubar_msg_settings", #todo
		^"./menubar/menubar_msg_combat", #todo
		^"./menubar/menubar_msg_diplo", #todo
		^"./menubar/menubar_msg_unit", #todo
		^"./menubar/menubar_msg_province", #todo
		^"./menubar/menubar_msg_event", #todo
		^"./menubar/menubar_msg_other", #todo
		^"./menubar/chat_window", #todo
	])

	var menubar: Panel = get_panel_from_nodepath(^"./menubar")
	if menubar:
		menubar.mouse_filter = Control.MOUSE_FILTER_IGNORE
	var minimap_bg: GUIIcon = get_gui_icon_from_nodepath(^"./menubar/minimap_bg")
	if minimap_bg:
		minimap_bg.mouse_filter = Control.MOUSE_FILTER_PASS
	var menubar_bg: GUIIcon = get_gui_icon_from_nodepath(^"./menubar/menubar_bg")
	if menubar_bg:
		menubar_bg.mouse_filter = Control.MOUSE_FILTER_PASS

	var menu_button: GUIButton = get_gui_icon_button_from_nodepath(^"./menubar/menu_button")
	if menu_button:
		menu_button.pressed.connect(_on_game_session_menu_button_pressed)

	var search_button: GUIButton = get_gui_icon_button_from_nodepath(^"./menubar/button_goto")
	if search_button:
		search_button.pressed.connect(_on_search_button_pressed)

	var zoom_in_button: GUIButton = get_gui_icon_button_from_nodepath(^"./menubar/map_zoom_in")
	if zoom_in_button:
		zoom_in_button.pressed.connect(_on_zoom_in_button_pressed)

	var zoom_out_button: GUIButton = get_gui_icon_button_from_nodepath(^"./menubar/map_zoom_out")
	if zoom_out_button:
		zoom_out_button.pressed.connect(_on_zoom_out_button_pressed)

	add_gui_element("menubar", "minimap_pic")
	var minimap_pic: GUIIcon = get_node(^"./minimap_pic")
	var minimap_rect: Control = get_node(^"./MinimapRect")
	minimap_rect.move_to_front()
	if minimap_pic:
		minimap_rect.custom_minimum_size = minimap_pic.size
		minimap_rect.position = minimap_pic.position + minimap_pic.size
		minimap_pic.queue_free()
		
	#_mapmode_button_group = ButtonGroup.new()
	#_mapmode_button_group.pressed.connect(_mapmode_pressed)
	#for index : int in GameSingleton.get_mapmode_count():
	#	_add_mapmode_button(GameSingleton.get_mapmode_identifier(index))

# REQUIREMENTS:
# * UIFUN-10
func _on_game_session_menu_button_pressed() -> void:
	game_session_menu_button_pressed.emit()

func _on_search_button_pressed() -> void:
	search_button_pressed.emit()

# REQUIREMENTS:
# * SS-76
# * UIFUN-129, UIFUN-131, UIFUN-133, UIFUN-140, UIFUN-141, UIFUN-142
func _mapmode_pressed(button : BaseButton) -> void:
	GameSingleton.set_mapmode(button.tooltip_text)

func _on_map_view_camera_changed(near_left : Vector2, far_left : Vector2, far_right : Vector2, near_right : Vector2) -> void:
	map_view_camera_changed.emit(near_left, far_left, far_right, near_right)

# REQUIREMENTS:
# * UIFUN-269
func _on_zoom_in_button_pressed() -> void:
	zoom_in_button_pressed.emit()

# REQUIREMENTS:
# * UIFUN-270
func _on_zoom_out_button_pressed() -> void:
	zoom_out_button_pressed.emit()